# Source: https://docs.datadoghq.com/security/default_rules/rkm-8xh-x8b.md

---
title: AWS WAF web access control list deleted
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: Docs > Datadog Security > OOTB Rules > AWS WAF web access control list deleted
---

# AWS WAF web access control list deleted
Classification:attackTactic:[TA0005-defense-evasion](https://attack.mitre.org/tactics/TA0005)Technique:[T1562-impair-defenses](https://attack.mitre.org/techniques/T1562) 
## Goal{% #goal %}

Detect when an AWS Web Application Firewall (WAF) Access Control List (ACL) is deleted.

## Strategy{% #strategy %}

The rule monitors AWS WAF logs `@eventSource:waf*.amazonaws.com` and detects when the `@evt.name` is `DeleteWebACL`.

## Triage and response{% #triage-and-response %}

1. Determine if `{{@userIdentity.arn}}` is expected to perform the `{{@evt.name}}` API call on the account: `{{@userIdentity.accountId}}`.
1. If the API call was not made by the user, rotate the user credentials and investigate what other APIs were successfully accessed.